Cyclopentanethiol
- Formula: C5H10S
- Molecular weight: 102.198
- IUPAC Standard InChI: InChI=1S/C5H10S/c6-5-3-1-2-4-5/h5-6H,1-4H2
- IUPAC Standard InChIKey: WVDYBOADDMMFIY-UHFFFAOYSA-N
- CAS Registry Number: 1679-07-8
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Cyclopentyl mercaptan; Mercaptocyclopentane
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Condensed phase thermochemistry data
Go To: Top, Gas Chromatography, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°liquid | -21.35 ± 0.18 | kcal/mol | Ccb | Berg, Scott, et al., 1961 | ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°liquid | -934.39 ± 0.15 | kcal/mol | Ccb | Berg, Scott, et al., 1961 | Reanalyzed by Cox and Pilcher, 1970, Original value = -934.24 ± 0.15 kcal/mol; ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| S°liquid | 61.391 | cal/mol*K | N/A | Berg, Scott, et al., 1961 | DH |
Constant pressure heat capacity of liquid
| Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 63.391 | 298.15 | Berg, Scott, et al., 1961 | T = 12 to 367 K. For metastable crystals 12 to 137 K.; DH |
Gas Chromatography
Go To: Top, Condensed phase thermochemistry data, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Van Den Dool and Kratz RI, polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | Supelcowax-10 | 1107. | Bianchi, Careri, et al., 2007 | 30. m/0.25 mm/0.25 μm, He; Program: 35C(8min) => 4C/min => 60C => 6C/min => 160C => 20C/min => 200C(1min) |
| Capillary | Supelcowax-10 | 1111. | Bianchi, Careri, et al., 2007 | 30. m/0.25 mm/0.25 μm, He; Program: 40C(1min) => 10C/min => 120C => 15C/min => 200C (1min) |
Normal alkane RI, non-polar column, isothermal
| Column type | Active phase | Temperature (C) | I | Reference | Comment |
|---|---|---|---|---|---|
| Capillary | DC-200 | 70. | 829. | Leppin, Gollnick, et al., 1969 | Argon; Column length: 100. m |
References
Go To: Top, Condensed phase thermochemistry data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Berg, Scott, et al., 1961
Berg, W.T.; Scott, D.W.; Hubbard, W.N.; Todd, S.S.; Messerly, J.F.; Hossenlopp, I.A.; Osborn, A.; Douslin, D.R.; McCullough, J.P.,
The chemical thermodynamic properties of cyclopentanethiol,
J. Phys. Chem., 1961, 65, 1425-1430. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
Bianchi, Careri, et al., 2007
Bianchi, F.; Careri, M.; Mangia, A.; Musci, M.,
Retention indices in the analysis of food aroma volatile compounds in temperature-programmed gas chromatography: Database creation and evaluation of precision and robustness,
J. Sep. Sci., 2007, 39, 4, 563-572, https://doi.org/10.1002/jssc.200600393
. [all data]
Leppin, Gollnick, et al., 1969
Leppin, E.; Gollnick, K.; Schomburg, G.,
Gas chromatographic identification of isomeric mercaptans,
Chromatographia, 1969, 2, 12, 535-540, https://doi.org/10.1007/BF02260096
. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Gas Chromatography, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid S°liquid Entropy of liquid at standard conditions ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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